The name of this superfamily has been modified since the most recent official CATH+ release (v4_3_0). At the point of the last release, this superfamily was named:

"
Immunoglobulins
".

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
« Back to all FunFams

FunFam 680: Beta-galactosidase

Please note: GO annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

There are 5 GO terms relating to "molecular function"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Magnesium ion binding GO:0000287
Interacting selectively and non-covalently with magnesium (Mg) ions.
10 P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA)
Beta-galactosidase activity GO:0004565
Catalysis of the hydrolysis of terminal, non-reducing beta-D-galactose residues in beta-D-galactosides.
10 P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA)
Alkali metal ion binding GO:0031420
Interacting selectively and non-covalently with any alkali metal ion; alkali metals are those elements in group Ia of the periodic table, with the exception of hydrogen.
10 P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
10 P00722 (/IPI) P00722 (/IPI) P00722 (/IPI) P00722 (/IPI) P00722 (/IPI) P00722 (/IPI) P00722 (/IPI) P00722 (/IPI) P00722 (/IPI) P00722 (/IPI)
Beta-galactosidase activity GO:0004565
Catalysis of the hydrolysis of terminal, non-reducing beta-D-galactose residues in beta-D-galactosides.
1 G8Z4I7 (/RCA)

There are 3 GO terms relating to "biological process"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Lactose catabolic process GO:0005990
The chemical reactions and pathways resulting in the breakdown of lactose, the disaccharide galactopyranosyl-glucose.
10 P00722 (/IMP) P00722 (/IMP) P00722 (/IMP) P00722 (/IMP) P00722 (/IMP) P00722 (/IMP) P00722 (/IMP) P00722 (/IMP) P00722 (/IMP) P00722 (/IMP)
Lactose metabolic process GO:0005988
The chemical reactions and pathways involving lactose, the disaccharide galactopyranosyl-glucose.
1 G8Z4I7 (/IMP)
Lactose metabolic process GO:0005988
The chemical reactions and pathways involving lactose, the disaccharide galactopyranosyl-glucose.
1 G8Z4I7 (/RCA)

There are 1 GO terms relating to "cellular component"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Beta-galactosidase complex GO:0009341
A protein complex that possesses beta-galactosidase activity, i.e. catalyzes the hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides. In E. coli, the complex is a homotetramer; dimeric and hexameric beta-galactosidase complexes have been observed in other species.
10 P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA) P00722 (/IDA)
CATH-Gene3D is a Global Biodata Core Resource Learn more...